Brian Hochman Discusses the Origins of Recorded Sound on the Kojo Nnamdi Show

This afternoon, tune in to the Kojo Nmandi Show to listen to Brian Hochman discuss the origins of recorded sound. The interview will run in conjunction with ”Hear My Voice,” an exhibit that’s now up at the National Museum of American History.  Listeners can tune in at www.kojoshow.org or www.wamu.org